diff --git a/backend/config/runtime_access.go b/backend/config/runtime_access.go
index 28ec161..dec8bec 100644
--- a/backend/config/runtime_access.go
+++ b/backend/config/runtime_access.go
@@ -133,8 +133,8 @@ func CurrentWebDomain() string {
 	return cfg.WebDomain
 }
 
-// CurrentAdminRecoveryDomain 返回超级管理员本机恢复通道的部署标识域名。
-// 此值不用于提供公网重置路由；未配置时沿用主邮件域名。
+// CurrentAdminRecoveryDomain 仅用于读取旧配置。
+// 公网一次性恢复入口统一使用 CurrentWebDomain，不再使用独立恢复域名。
 func CurrentAdminRecoveryDomain() string {
 	if manager := CurrentManager(); manager != nil {
 		runtime := manager.Snapshot()
diff --git a/backend/config/ssl_custom.go b/backend/config/ssl_custom.go
index 8a06750..12c6ef7 100644
--- a/backend/config/ssl_custom.go
+++ b/backend/config/ssl_custom.go
@@ -192,9 +192,6 @@ func validationCertificateDomains(candidate *RuntimeConfig) []string {
 		if candidate.Root.Domains.Web != "" {
 			domains = append(domains, candidate.Root.Domains.Web)
 		}
-		if candidate.Root.Domains.AdminRecovery != "" {
-			domains = append(domains, candidate.Root.Domains.AdminRecovery)
-		}
 		for _, domain := range candidate.Root.Domains.Accepted {
 			domains = append(domains, "smtp."+domain, "imap."+domain, "pop."+domain)
 		}
@@ -204,11 +201,11 @@ func validationCertificateDomains(candidate *RuntimeConfig) []string {
 }
 
 func runtimeCertificateDomains(candidate *RuntimeConfig) []string {
-	return SSLCertificateDomains(candidate.Root.Domains.Primary, candidate.Root.Domains.Web, candidate.Root.Domains.Accepted, candidate.Root.Domains.AdminRecovery)
+	return SSLCertificateDomains(candidate.Root.Domains.Primary, candidate.Root.Domains.Web, candidate.Root.Domains.Accepted)
 }
 
-// SSLCertificateDomains 统一初始化和配置管理所需的 Web、主域、邮件协议及恢复通道域名。
-func SSLCertificateDomains(primary, web string, accepted []string, adminRecovery ...string) []string {
+// SSLCertificateDomains 统一初始化和配置管理所需的 Web、主域及邮件协议域名。
+func SSLCertificateDomains(primary, web string, accepted []string) []string {
 	seen := make(map[string]bool)
 	var domains []string
 	appendDomain := func(value string) {
@@ -220,9 +217,6 @@ func SSLCertificateDomains(primary, web string, accepted []string, adminRecovery
 	}
 	appendDomain(web)
 	appendDomain(primary)
-	for _, domain := range adminRecovery {
-		appendDomain(domain)
-	}
 	for _, domain := range accepted {
 		domain = strings.TrimSpace(domain)
 		if domain == "" {
diff --git a/backend/config/ssl_storage_test.go b/backend/config/ssl_storage_test.go
index b8a0f34..d93bb1d 100644
--- a/backend/config/ssl_storage_test.go
+++ b/backend/config/ssl_storage_test.go
@@ -191,9 +191,9 @@ func TestValidateSSLMaterialRejectsDomainExpiryAndWeakKeys(t *testing.T) {
 	}
 }
 
-func TestSSLCertificateDomainsIncludesConfiguredAdminRecoveryDomain(t *testing.T) {
-	domains := SSLCertificateDomains("example.com", "mail.example.com", []string{"example.com"}, "recovery.example.com")
-	for _, want := range []string{"example.com", "mail.example.com", "recovery.example.com", "smtp.example.com", "imap.example.com", "pop.example.com"} {
+func TestSSLCertificateDomainsIncludesWebAndMailServiceDomains(t *testing.T) {
+	domains := SSLCertificateDomains("example.com", "mail.example.com", []string{"example.com"})
+	for _, want := range []string{"example.com", "mail.example.com", "smtp.example.com", "imap.example.com", "pop.example.com"} {
 		found := false
 		for _, got := range domains {
 			if got == want {
diff --git a/backend/controllers/security.go b/backend/controllers/security.go
index 1983e12..73718c7 100644
--- a/backend/controllers/security.go
+++ b/backend/controllers/security.go
@@ -43,13 +43,13 @@ func PublicRecoveryEnabled() bool {
 	return hasConfiguredRecoveryHost(hosts...)
 }
 
-// PublicMailRecoveryEnabled 仅判断主邮件域名下匿名恢复链接入口是否可用。
+// PublicMailRecoveryEnabled 仅判断 Web 域名下匿名恢复链接入口是否可用。
 // 旧主站恢复流程仍使用 PublicRecoveryEnabled，以保持原有兼容行为。
 func PublicMailRecoveryEnabled() bool {
 	if !config.IsSetupReady() || !config.CurrentEmailPolicy().ExternalRecoveryEnabled {
 		return false
 	}
-	return hasConfiguredRecoveryHost(config.CurrentMailDomains().Primary)
+	return hasConfiguredRecoveryHost(config.CurrentWebDomain())
 }
 
 func hasConfiguredRecoveryHost(values ...string) bool {
@@ -655,7 +655,7 @@ func CompletePasswordRecovery(ctx *context.Context, w http.ResponseWriter, req *
 	response.NewSuccessResponse(map[string]any{"reset": true}).FPrint(w)
 }
 
-// BeginPublicLinkPasswordRecovery 是主邮件域名 /rest/ 的无会话恢复入口。
+// BeginPublicLinkPasswordRecovery 是 Web 域名 /rest/ 的无会话恢复入口。
 // 所有申请结果统一返回 accepted，避免泄露账户、邮箱绑定和角色状态。
 func BeginPublicLinkPasswordRecovery(w http.ResponseWriter, req *http.Request) {
 	writePublicRecoveryJSON(w, http.StatusOK, map[string]bool{"accepted": true})
diff --git a/backend/controllers/security_public_response_test.go b/backend/controllers/security_public_response_test.go
index d99b88f..46c8218 100644
--- a/backend/controllers/security_public_response_test.go
+++ b/backend/controllers/security_public_response_test.go
@@ -121,7 +121,7 @@ func enablePublicRecoveryForTest(t *testing.T) {
 
 func invokePublicLinkRequirements(t *testing.T, token string) (int, map[string]bool, http.Header) {
 	t.Helper()
-	request := httptest.NewRequest(http.MethodPost, "https://mail.example.com/rest/api/recovery/requirements", strings.NewReader(`{"token":"`+token+`"}`))
+	request := httptest.NewRequest(http.MethodPost, "https://web.example.com/rest/api/recovery/requirements", strings.NewReader(`{"token":"`+token+`"}`))
 	recorder := httptest.NewRecorder()
 	PublicLinkPasswordRecoveryRequirements(recorder, request)
 	result := map[string]bool{}
diff --git a/backend/listen/http_server/public_recovery.go b/backend/listen/http_server/public_recovery.go
index 1d302f8..206bc35 100644
--- a/backend/listen/http_server/public_recovery.go
+++ b/backend/listen/http_server/public_recovery.go
@@ -53,7 +53,7 @@ func (h *publicRecoveryHandler) ServeHTTP(w http.ResponseWriter, r *http.Request
 		return
 	}
 
-	if !isPublicRecoveryMailHost(r) {
+	if !isPublicRecoveryWebHost(r) {
 		http.NotFound(w, r)
 		return
 	}
@@ -133,7 +133,7 @@ func publicRecoveryOrSessionHandler(publicRecovery, mainSite http.Handler) http.
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		path := normalizedPublicRecoveryPath(r.URL.Path)
 		if path == "/public-password-recovery" || isPublicRecoveryReservedPath(path) ||
-			(isPublicRecoveryMailHost(r) && isPublicRecoveryAssetPath(path)) {
+			(controllers.PublicMailRecoveryEnabled() && isPublicRecoveryWebHost(r) && isPublicRecoveryAssetPath(path)) {
 			publicRecovery.ServeHTTP(w, r)
 			return
 		}
@@ -213,7 +213,7 @@ func isPublicRecoveryOrigin(value string) bool {
 	if err != nil || u.User != nil || !strings.EqualFold(u.Scheme, "https") || u.Host == "" {
 		return false
 	}
-	expectedHost, expectedPort, ok := configuredHTTPSAuthority(config.CurrentMailDomains().Primary)
+	expectedHost, expectedPort, ok := configuredHTTPSAuthority(config.CurrentWebDomain())
 	if !ok {
 		return false
 	}
@@ -221,8 +221,8 @@ func isPublicRecoveryOrigin(value string) bool {
 	return ok && originHost == expectedHost && originPort == expectedPort
 }
 
-func isPublicRecoveryMailHost(r *http.Request) bool {
-	return requestMatchesHTTPSAuthority(r, config.CurrentMailDomains().Primary)
+func isPublicRecoveryWebHost(r *http.Request) bool {
+	return requestMatchesHTTPSAuthority(r, config.CurrentWebDomain())
 }
 
 func isCurrentWebHost(r *http.Request) bool {
@@ -255,7 +255,7 @@ func currentHTTPSPort() int {
 }
 
 func publicRecoveryBaseURL() (string, bool) {
-	return configuredHTTPSURL(config.CurrentMailDomains().Primary, "/rest/", "")
+	return configuredHTTPSURL(config.CurrentWebDomain(), "/rest/", "")
 }
 
 func publicRecoveryLoginURL() (string, bool) {
diff --git a/backend/listen/http_server/public_recovery_test.go b/backend/listen/http_server/public_recovery_test.go
index b4cafce..ff82219 100644
--- a/backend/listen/http_server/public_recovery_test.go
+++ b/backend/listen/http_server/public_recovery_test.go
@@ -38,7 +38,7 @@ func publicRecoveryRequest(method, target string) *http.Request {
 	return request
 }
 
-func TestPublicRecoveryPageIsServedOnlyFromMailDomain(t *testing.T) {
+func TestPublicRecoveryPageIsServedOnlyFromWebDomain(t *testing.T) {
 	configurePublicRecoveryRouteTest(t)
 	handler, err := newPublicRecoveryHandler()
 	if err != nil {
@@ -46,9 +46,9 @@ func TestPublicRecoveryPageIsServedOnlyFromMailDomain(t *testing.T) {
 	}
 
 	recorder := httptest.NewRecorder()
-	handler.ServeHTTP(recorder, publicRecoveryRequest(http.MethodGet, "https://mx.example.com/rest/"))
+	handler.ServeHTTP(recorder, publicRecoveryRequest(http.MethodGet, "https://web.example.com/rest/"))
 	if recorder.Code != http.StatusOK {
-		t.Fatalf("mail recovery page returned %d", recorder.Code)
+		t.Fatalf("web recovery page returned %d", recorder.Code)
 	}
 	if !strings.Contains(recorder.Body.String(), `data-login-url="https://web.example.com/#/login"`) {
 		t.Fatal("mail recovery page did not contain the configured web login URL")
@@ -58,9 +58,9 @@ func TestPublicRecoveryPageIsServedOnlyFromMailDomain(t *testing.T) {
 	}
 
 	recorder = httptest.NewRecorder()
-	handler.ServeHTTP(recorder, publicRecoveryRequest(http.MethodGet, "https://web.example.com/rest/"))
+	handler.ServeHTTP(recorder, publicRecoveryRequest(http.MethodGet, "https://mx.example.com/rest/"))
 	if recorder.Code != http.StatusNotFound {
-		t.Fatalf("web domain recovery page returned %d, want 404", recorder.Code)
+		t.Fatalf("mail domain recovery page returned %d, want 404", recorder.Code)
 	}
 }
 
@@ -84,7 +84,7 @@ func TestPublicRecoveryServesUnderscorePrefixedBuildAssets(t *testing.T) {
 	}
 
 	recorder := httptest.NewRecorder()
-	request := publicRecoveryRequest(http.MethodGet, "https://mx.example.com/"+matches[0])
+	request := publicRecoveryRequest(http.MethodGet, "https://web.example.com/"+matches[0])
 	handler.ServeHTTP(recorder, request)
 	if recorder.Code != http.StatusOK {
 		t.Fatalf("underscore-prefixed asset returned %d, want %d", recorder.Code, http.StatusOK)
@@ -100,14 +100,14 @@ func TestPublicRecoveryPageRequiresConfiguredHTTPSPort(t *testing.T) {
 	}
 
 	allowed := httptest.NewRecorder()
-	handler.ServeHTTP(allowed, publicRecoveryRequest(http.MethodGet, "https://mx.example.com:8443/rest/"))
+	handler.ServeHTTP(allowed, publicRecoveryRequest(http.MethodGet, "https://web.example.com:8443/rest/"))
 	if allowed.Code != http.StatusOK {
 		t.Fatalf("configured HTTPS port returned %d, want %d", allowed.Code, http.StatusOK)
 	}
 
 	for _, target := range []string{
-		"https://mx.example.com/rest/",
-		"https://mx.example.com:9443/rest/",
+		"https://web.example.com/rest/",
+		"https://web.example.com:9443/rest/",
 	} {
 		t.Run(target, func(t *testing.T) {
 			recorder := httptest.NewRecorder()
@@ -128,7 +128,7 @@ func TestPublicRecoveryLoginEntryRedirectsOnlyFromWebDomain(t *testing.T) {
 
 	recorder := httptest.NewRecorder()
 	handler.ServeHTTP(recorder, publicRecoveryRequest(http.MethodGet, "https://web.example.com/public-password-recovery"))
-	if recorder.Code != http.StatusFound || recorder.Header().Get("Location") != "https://mx.example.com/rest/" {
+	if recorder.Code != http.StatusFound || recorder.Header().Get("Location") != "https://web.example.com/rest/" {
 		t.Fatalf("unexpected login entry redirect: status=%d location=%q", recorder.Code, recorder.Header().Get("Location"))
 	}
 
@@ -158,7 +158,7 @@ func TestPublicRecoveryAPIRejectsCookiesAndCrossSiteRequests(t *testing.T) {
 	}
 	for _, test := range cases {
 		t.Run(test.name, func(t *testing.T) {
-			request := publicRecoveryRequest(http.MethodPost, "https://mx.example.com/rest/api/recovery/begin")
+			request := publicRecoveryRequest(http.MethodPost, "https://web.example.com/rest/api/recovery/begin")
 			request.Header.Set("Content-Type", "application/json")
 			test.prepare(request)
 			recorder := httptest.NewRecorder()
@@ -182,7 +182,7 @@ func TestPublicRecoveryAPIUsesNoMainSessionHandler(t *testing.T) {
 		w.WriteHeader(http.StatusNoContent)
 	}))
 
-	request := publicRecoveryRequest(http.MethodPost, "https://mx.example.com/rest/api/recovery/begin")
+	request := publicRecoveryRequest(http.MethodPost, "https://web.example.com/rest/api/recovery/begin")
 	request.Header.Set("Content-Type", "application/json")
 	recorder := httptest.NewRecorder()
 	handler.ServeHTTP(recorder, request)
@@ -207,8 +207,56 @@ func TestPublicRecoveryStaticAssetsBypassMainSessionHandler(t *testing.T) {
 	}))
 
 	recorder := httptest.NewRecorder()
-	handler.ServeHTTP(recorder, publicRecoveryRequest(http.MethodGet, "https://mx.example.com/smail-logo.png"))
+	handler.ServeHTTP(recorder, publicRecoveryRequest(http.MethodGet, "https://web.example.com/smail-logo.png"))
 	if recorder.Code != http.StatusOK || mainCalls != 0 {
 		t.Fatalf("public recovery asset used main handler: status=%d calls=%d", recorder.Code, mainCalls)
 	}
 }
+
+func TestPublicRecoveryDoesNotInterceptUnrelatedMainSitePaths(t *testing.T) {
+	configurePublicRecoveryRouteTest(t)
+	publicRecovery, err := newPublicRecoveryHandler()
+	if err != nil {
+		t.Fatal(err)
+	}
+	mainCalls := 0
+	handler := publicRecoveryOrSessionHandler(publicRecovery, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		mainCalls++
+		w.WriteHeader(http.StatusNoContent)
+	}))
+
+	for _, target := range []string{
+		"https://web.example.com/",
+		"https://web.example.com/api/v1/user/info",
+		"https://mx.example.com/assets/main.js",
+	} {
+		recorder := httptest.NewRecorder()
+		handler.ServeHTTP(recorder, publicRecoveryRequest(http.MethodGet, target))
+		if recorder.Code != http.StatusNoContent {
+			t.Fatalf("unrelated path %q returned %d, want %d", target, recorder.Code, http.StatusNoContent)
+		}
+	}
+	if mainCalls != 3 {
+		t.Fatalf("main handler calls = %d, want 3", mainCalls)
+	}
+}
+
+func TestDisabledPublicRecoveryAssetsUseMainSite(t *testing.T) {
+	configurePublicRecoveryRouteTest(t)
+	config.Instance.ExternalRecoveryEnabled = false
+	publicRecovery, err := newPublicRecoveryHandler()
+	if err != nil {
+		t.Fatal(err)
+	}
+	mainCalls := 0
+	handler := publicRecoveryOrSessionHandler(publicRecovery, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		mainCalls++
+		w.WriteHeader(http.StatusNoContent)
+	}))
+
+	recorder := httptest.NewRecorder()
+	handler.ServeHTTP(recorder, publicRecoveryRequest(http.MethodGet, "https://web.example.com/smail-logo.png"))
+	if recorder.Code != http.StatusNoContent || mainCalls != 1 {
+		t.Fatalf("disabled recovery intercepted main asset: status=%d calls=%d", recorder.Code, mainCalls)
+	}
+}
diff --git a/backend/res_init/verification_delivery.go b/backend/res_init/verification_delivery.go
index 9296ee9..58f89b4 100644
--- a/backend/res_init/verification_delivery.go
+++ b/backend/res_init/verification_delivery.go
@@ -142,24 +142,25 @@ func deliverVerificationWithProjectMail(challenge verification.Challenge, code s
 // newPublicRecoveryLinkDelivery 固定使用项目自身邮件服务，不能走外部 SMTP 中继。
 func newPublicRecoveryLinkDelivery() recovery.PublicLinkDelivery {
 	return func(email, token string) error {
-		domain := strings.TrimSpace(config.CurrentMailDomains().Primary)
-		if domain == "" || strings.TrimSpace(email) == "" || strings.TrimSpace(token) == "" {
+		mailDomain := strings.TrimSpace(config.CurrentMailDomains().Primary)
+		webDomain := strings.TrimSpace(config.CurrentWebDomain())
+		if mailDomain == "" || webDomain == "" || strings.TrimSpace(email) == "" || strings.TrimSpace(token) == "" {
 			return verification.ErrProjectMailUnavailable
 		}
-		link, err := publicRecoveryLink(domain, token)
+		link, err := publicRecoveryLink(webDomain, token)
 		if err != nil {
 			return err
 		}
-		messageID, err := parsemail.GenerateMsgID(domain)
+		messageID, err := parsemail.GenerateMsgID(mailDomain)
 		if err != nil {
 			return fmt.Errorf("generate public recovery message id: %w", err)
 		}
-		sender := &parsemail.User{Name: "Smail 安全中心", EmailAddress: "no-reply@" + domain}
+		sender := &parsemail.User{Name: "Smail 安全中心", EmailAddress: "no-reply@" + mailDomain}
 		message := &parsemail.Email{
 			From: sender, Sender: sender, To: []*parsemail.User{{EmailAddress: email}},
 			Subject: "Smail 密码恢复链接",
-			Text: []byte("您好，您正在恢复 Smail 密码。请在五分钟内打开以下一次性链接完成重置：\r\n" + link + "\r\n\r\n如果并非本人操作，请忽略此邮件。"),
-			MsgID: messageID,
+			Text:    []byte("您好，您正在恢复 Smail 密码。请在五分钟内打开以下一次性链接完成重置：\r\n" + link + "\r\n\r\n如果并非本人操作，请忽略此邮件。"),
+			MsgID:   messageID,
 		}
 		ctx := &appcontext.Context{Context: context.Background(), Values: make(map[string]any)}
 		if deliveryErr, _ := send.SendTriggered(ctx, message, "系统密码恢复链接"); deliveryErr != nil {
@@ -169,10 +170,10 @@ func newPublicRecoveryLinkDelivery() recovery.PublicLinkDelivery {
 	}
 }
 
-func publicRecoveryLink(domain, token string) (string, error) {
-	parsed, err := url.Parse("https://" + strings.TrimSpace(domain))
+func publicRecoveryLink(webDomain, token string) (string, error) {
+	parsed, err := url.Parse("https://" + strings.TrimSpace(webDomain))
 	if err != nil || parsed.Hostname() == "" || parsed.User != nil || parsed.Path != "" || parsed.RawQuery != "" || parsed.Fragment != "" {
-		return "", fmt.Errorf("invalid primary mail domain")
+		return "", fmt.Errorf("invalid web domain")
 	}
 	if port := config.CurrentHTTPConfig().HTTPSPort; port > 0 && port != 443 && parsed.Port() == "" {
 		parsed.Host = parsed.Hostname() + fmt.Sprintf(":%d", port)
diff --git a/backend/res_init/verification_delivery_test.go b/backend/res_init/verification_delivery_test.go
index 97d74f0..544b919 100644
--- a/backend/res_init/verification_delivery_test.go
+++ b/backend/res_init/verification_delivery_test.go
@@ -74,3 +74,16 @@ func TestVerificationDeliveryPreservesSettingsError(t *testing.T) {
 		t.Fatalf("error = %v, want wrapped settings error", err)
 	}
 }
+
+func TestPublicRecoveryLinkUsesWebDomain(t *testing.T) {
+	link, err := publicRecoveryLink("web.example.com", "one-time-token")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if link != "https://web.example.com/rest/#/reset-password/one-time-token" {
+		t.Fatalf("public recovery link = %q", link)
+	}
+	if _, err := publicRecoveryLink("https://web.example.com/path", "one-time-token"); err == nil {
+		t.Fatal("invalid web domain was accepted")
+	}
+}
diff --git a/backend/services/setup/ssl/ssl.go b/backend/services/setup/ssl/ssl.go
index 5edbfa7..99118ca 100644
--- a/backend/services/setup/ssl/ssl.go
+++ b/backend/services/setup/ssl/ssl.go
@@ -306,7 +306,7 @@ func sslDomains(cfg *config.Config) []string {
 	if cfg == nil {
 		return nil
 	}
-	return config.SSLCertificateDomains(cfg.Domain, cfg.WebDomain, cfg.Domains, cfg.AdminRecoveryDomain)
+	return config.SSLCertificateDomains(cfg.Domain, cfg.WebDomain, cfg.Domains)
 }
 
 func certificateMatchesConfiguredDomains(cert *x509.Certificate, cfg *config.Config) bool {
@@ -343,9 +343,6 @@ func validateWildcardConfiguration(cfg *config.Config) error {
 	if cfg.WebDomain != "" && !covered(cfg.WebDomain) {
 		return newUserCertificateError("Web 域名必须是主域名的一级子域名，泛域名证书不覆盖根域名或多级子域名")
 	}
-	if cfg.AdminRecoveryDomain != "" && !covered(cfg.AdminRecoveryDomain) {
-		return newUserCertificateError("超级管理员恢复域名必须是主邮件域名的一级子域名，才能由 DNS 泛域名证书覆盖")
-	}
 	for _, domain := range cfg.Domains {
 		if !covered("smtp."+domain) || !covered("imap."+domain) || !covered("pop."+domain) {
 			return newUserCertificateError("附加邮箱域名的服务地址不在主域泛域名证书覆盖范围内")
diff --git a/backend/services/setup/ssl/wildcard_test.go b/backend/services/setup/ssl/wildcard_test.go
index 2ec9555..7a9d051 100644
--- a/backend/services/setup/ssl/wildcard_test.go
+++ b/backend/services/setup/ssl/wildcard_test.go
@@ -52,18 +52,17 @@ func TestWildcardCertificateDomains(t *testing.T) {
 
 func TestCertificateDomainsFollowChallengeMode(t *testing.T) {
 	cfg := &config.Config{
-		Domain:              "xuans.com",
-		WebDomain:           "web.xuans.com",
-		AdminRecoveryDomain: "recovery.xuans.com",
-		Domains:             []string{"xuans.com"},
+		Domain:    "xuans.com",
+		WebDomain: "web.xuans.com",
+		Domains:   []string{"xuans.com"},
 	}
 
 	cfg.SSLType = config.SSLTypeAutoHTTP
 	httpDomains := certificateDomains(cfg)
-	if len(httpDomains) != 6 {
-		t.Fatalf("got %d HTTP domains, want 6: %v", len(httpDomains), httpDomains)
+	if len(httpDomains) != 5 {
+		t.Fatalf("got %d HTTP domains, want 5: %v", len(httpDomains), httpDomains)
 	}
-	if httpDomains[0] != "web.xuans.com" || httpDomains[1] != "xuans.com" || httpDomains[2] != "recovery.xuans.com" {
+	if httpDomains[0] != "web.xuans.com" || httpDomains[1] != "xuans.com" || httpDomains[2] != "smtp.xuans.com" {
 		t.Fatalf("unexpected HTTP domains: %v", httpDomains)
 	}
 
@@ -74,7 +73,7 @@ func TestCertificateDomainsFollowChallengeMode(t *testing.T) {
 	}
 }
 
-func TestDNSWildcardRejectsUncoveredAdminRecoveryDomain(t *testing.T) {
+func TestDNSWildcardIgnoresLegacyAdminRecoveryDomain(t *testing.T) {
 	base := &config.Config{
 		Domain:              "example.com",
 		WebDomain:           "mail.example.com",
@@ -83,13 +82,13 @@ func TestDNSWildcardRejectsUncoveredAdminRecoveryDomain(t *testing.T) {
 		AdminRecoveryDomain: "recovery.example.com",
 	}
 	if err := validateWildcardConfiguration(base); err != nil {
-		t.Fatalf("covered recovery domain was rejected: %v", err)
+		t.Fatalf("legacy recovery domain changed wildcard validation: %v", err)
 	}
 	for _, value := range []string{"example.com", "a.recovery.example.com", "recovery.other.example"} {
 		candidate := *base
 		candidate.AdminRecoveryDomain = value
-		if err := validateWildcardConfiguration(&candidate); err == nil {
-			t.Fatalf("uncovered recovery domain %q was accepted", value)
+		if err := validateWildcardConfiguration(&candidate); err != nil {
+			t.Fatalf("legacy recovery domain %q changed wildcard validation: %v", value, err)
 		}
 	}
 }
diff --git a/deploy/runtime-config.mjs b/deploy/runtime-config.mjs
index 2cdc4a8..ca67372 100644
--- a/deploy/runtime-config.mjs
+++ b/deploy/runtime-config.mjs
@@ -90,15 +90,10 @@ export function readDevelopmentRuntime(root = runtimeRoot, { previous = false }
   if (typeof webDomain !== 'string' || !/^[a-z0-9.-]+(?::\d+)?$/i.test(webDomain)) {
     throw new Error('请先在 yunx-test/config/config.json 配置有效的 Web 域名')
   }
-  const mailDomain = config.domains?.primary || webDomain
-  if (typeof mailDomain !== 'string' || !/^[a-z0-9.-]+(?::\d+)?$/i.test(mailDomain)) {
-    throw new Error('请先在 yunx-test/config/config.json 配置有效的主邮件域名')
-  }
   const certificatePath = resolveDevelopmentCertificate(root, previous ? ssl.tls?.previousCertificateRef : ssl.tls?.certificateRef)
   const privateKeyPath = resolveDevelopmentCertificate(root, previous ? ssl.tls?.previousPrivateKeyRef : ssl.tls?.privateKeyRef, true)
   return {
     origin: `https://${webDomain}`,
-    mailOrigin: `https://${mailDomain}`,
     certificatePath,
     privateKeyPath,
     generation: config.generation
diff --git a/docs/密码恢复实机验收.md b/docs/密码恢复实机验收.md
index 7cb4958..918a0c9 100644
--- a/docs/密码恢复实机验收.md
+++ b/docs/密码恢复实机验收.md
@@ -5,7 +5,7 @@
 - [~] 管理员、普通用户通过已验证外部邮箱及离线安全凭据恢复密码。
 - [~] 超级管理员登录后通过外部安全邮箱验证码修改密码。
 - [~] 超级管理员通过部署端受保护本机通道重置密码。
-- [!] 独立恢复域名与邮箱主域名联动：待确认是恢复指引入口还是新增网页重置入口，不能在确认前把本机通道暴露到公网。
+- [x] 管理员、普通用户的一次性恢复页面复用现有 Web 域名和 HTTPS 证书，固定入口为 `https://Web域名/rest/`。
 
 ## 当前实现边界
 
@@ -13,6 +13,8 @@
 - 管理员邮箱恢复通过后仍需要未使用的离线恢复码。
 - 离线恢复需要密保问题、密保答案和离线恢复码，不是只填写一个安全码。
 - 超级管理员不能通过公开忘记密码接口恢复。登录后安全中心使用已验证外部邮箱验证码改密。
+- 公开恢复邮件由 `no-reply@主邮件域名` 发送，邮件中的一次性链接使用 Web 域名，不再配置独立恢复域名或额外证书。
+- 旧 `adminRecovery` 配置仅保留兼容读取，不在配置页面展示，也不参与恢复路由和证书域名计算。
 - 改密成功会使旧会话和相关恢复、客户端凭据失效；测试后需要重新配置下一轮所需凭据。
 
 ## Linux 本机通道部署整改
diff --git a/frontend/src/views/components/ConfigSettings/ConfigForm/ConfigForm.js b/frontend/src/views/components/ConfigSettings/ConfigForm/ConfigForm.js
index 23db702..082ddc6 100644
--- a/frontend/src/views/components/ConfigSettings/ConfigForm/ConfigForm.js
+++ b/frontend/src/views/components/ConfigSettings/ConfigForm/ConfigForm.js
@@ -88,7 +88,6 @@ const baseGroups = [
   group('site', '站点与域名', '', [
     field('domains.primary', '主邮件域名', 'text', { required: true, placeholder: 'example.com' }),
     field('domains.web', '网页访问域名', 'text', { required: true, placeholder: 'mail.example.com' }),
-    field('domains.adminRecovery', '超级管理员恢复域名', 'text', { placeholder: 'recovery.example.com', hint: '留空时使用主邮件域名。该配置仅用于本机恢复通道的部署标识与证书规划，不开放公网重置页面。' }),
     field('domains.accepted', '接收邮件的域名', 'list', { required: true, wide: false, hint: '需包含主邮件域名，每个域名单独填写。', placeholder: 'example.com' }),
     field('logLevel', '日志级别', 'select', { options: options([['', '默认级别'], ['debug', '调试'], ['info', '信息'], ['warn', '警告'], ['error', '错误']]) })
   ]),
@@ -327,9 +326,6 @@ export function validateFormConfig(section, config) {
     for (const name of ['primary', 'web']) {
       if (!validDomain(domains[name])) errors[`domains.${name}`] = '请填写有效域名，不包含协议、路径或空格'
     }
-    if (domains.adminRecovery !== undefined && domains.adminRecovery !== '' && !validDomain(domains.adminRecovery)) {
-      errors['domains.adminRecovery'] = '请填写有效域名，不包含协议、路径或空格'
-    }
     if (Array.isArray(domains.accepted) && domains.accepted.every(validDomain)) {
       const accepted = domains.accepted.map(normalizedDomain)
       if (new Set(accepted).size !== accepted.length) errors['domains.accepted'] = '接收域名不能重复，大小写和末尾点视为同一域名'
diff --git a/frontend/vite.config.js b/frontend/vite.config.js
index 822220f..1e894e1 100644
--- a/frontend/vite.config.js
+++ b/frontend/vite.config.js
@@ -52,7 +52,6 @@ export default defineConfig(({ mode, command }) => {
   const developmentTLS = command === 'serve' ? readDevelopmentTLS() : undefined
   const runtime = developmentTLS?.runtime
   const backendOrigin = runtime?.origin
-  const publicRecoveryOrigin = runtime?.mailOrigin
   const frontendOrigin = runtime?.origin
 
   return {
@@ -81,9 +80,9 @@ export default defineConfig(({ mode, command }) => {
       cors: true,
       proxy: {
         "/api": developmentBackendProxy(backendUrl, backendOrigin),
-        // 匿名恢复入口由后端按 Web 域名计算跳转，恢复 API 则必须保持主邮件域名的同源校验。
+        // 匿名恢复页面与恢复 API 均复用 Web 域名和现有 HTTPS 证书。
         "/public-password-recovery": developmentBackendProxy(backendUrl, backendOrigin),
-        "/rest/api/recovery": developmentBackendProxy(backendUrl, publicRecoveryOrigin),
+        "/rest/api/recovery": developmentBackendProxy(backendUrl, backendOrigin),
         "/attachments": {
           target: backendUrl,
           changeOrigin: true,
diff --git a/test/frontend/config-form.test.mjs b/test/frontend/config-form.test.mjs
index 6414f31..c545d80 100644
--- a/test/frontend/config-form.test.mjs
+++ b/test/frontend/config-form.test.mjs
@@ -278,23 +278,18 @@ test('域名校验兼容大小写和末尾点，拒绝重复项、空白和路
   const valid = { database: { type: 'sqlite' }, domains: { primary: 'Example.com.', web: 'mail.example.com', accepted: ['example.com'] } }
   assert.deepEqual(validateFormConfig('base', valid), {})
   const fields = getFieldGroups('base', valid).flatMap(group => group.fields)
-  const recovery = fields.find(field => field.path.join('.') === 'domains.adminRecovery')
-  assert.ok(recovery)
-  assert.match(recovery.hint, /不开放公网重置页面/)
-  assert.deepEqual(validateFormConfig('base', { ...valid, domains: { ...valid.domains, adminRecovery: '' } }), {})
-  assert.deepEqual(validateFormConfig('base', { ...valid, domains: { ...valid.domains, adminRecovery: 'recovery.example.com' } }), {})
+  assert.equal(fields.some(field => field.path.join('.') === 'domains.adminRecovery'), false)
   for (const accepted of [[], ['example.com', 'Example.com.'], [''], [' https://example.com'], ['other.example.com'], 'example.com', [null]]) {
     assert.ok(validateFormConfig('base', { ...valid, domains: { ...valid.domains, accepted } })['domains.accepted'])
   }
   for (const primary of ['https://example.com', 'example.com/path', 'bad..com', '-bad.com', '127.0.0.1', '例子.com']) {
     assert.ok(validateFormConfig('base', { ...valid, domains: { ...valid.domains, primary } })['domains.primary'])
   }
-  for (const adminRecovery of ['https://example.com', 'example.com/path', 'bad..com', '-bad.com', '127.0.0.1', '例子.com', ' recovery.example.com']) {
-    assert.ok(validateFormConfig('base', { ...valid, domains: { ...valid.domains, adminRecovery } })['domains.adminRecovery'])
-  }
-  const text = JSON.stringify({ ...valid, domains: { ...valid.domains, accepted: ['example.com'], accessHosts: ['192.0.2.10'], adminRecovery: '' } })
-  const updated = readFormConfig(updateFormConfig(text, 'base', ['domains', 'adminRecovery'], 'recovery.example.com'))
-  assert.equal(updated.domains.adminRecovery, 'recovery.example.com')
+  const text = JSON.stringify({ ...valid, domains: { ...valid.domains, accepted: ['example.com'], accessHosts: ['192.0.2.10'], adminRecovery: 'legacy.example.com' } })
+  const unchanged = updateFormConfig(text, 'base', ['domains', 'adminRecovery'], 'recovery.example.com')
+  assert.equal(unchanged, text)
+  const updated = readFormConfig(unchanged)
+  assert.equal(updated.domains.adminRecovery, 'legacy.example.com')
   assert.deepEqual(updated.domains.accepted, ['example.com'])
   assert.deepEqual(updated.domains.accessHosts, ['192.0.2.10'])
 })
diff --git a/test/frontend/output-paths.test.mjs b/test/frontend/output-paths.test.mjs
index 20c398a..4772d89 100644
--- a/test/frontend/output-paths.test.mjs
+++ b/test/frontend/output-paths.test.mjs
@@ -45,7 +45,8 @@ test('前端入口按需加载 Element Plus，并延迟设置页和写信编辑
 test('开发服务器将匿名恢复入口和接口安全转发到后端', async () => {
   const vite = await read('frontend/vite.config.js')
   assert.match(vite, /"\/public-password-recovery": developmentBackendProxy\(backendUrl, backendOrigin\)/)
-  assert.match(vite, /"\/rest\/api\/recovery": developmentBackendProxy\(backendUrl, publicRecoveryOrigin\)/)
+  assert.match(vite, /"\/rest\/api\/recovery": developmentBackendProxy\(backendUrl, backendOrigin\)/)
+  assert.doesNotMatch(vite, /publicRecoveryOrigin|mailOrigin/)
 })
 
 test('开发启动必须固定运行配置根目录并集中保存日志', async () => {
diff --git a/test/frontend/runtime-deployment.test.mjs b/test/frontend/runtime-deployment.test.mjs
index 1ca9a9a..36ca4c4 100644
--- a/test/frontend/runtime-deployment.test.mjs
+++ b/test/frontend/runtime-deployment.test.mjs
@@ -21,7 +21,6 @@ test('开发配置只从模拟部署目录读取且不返回凭据字段', async
   await writeFile(path.join(root, 'ssl/private.key'), 'key', { mode: 0o600 })
   const runtime = readDevelopmentRuntime(root)
   assert.equal(runtime.origin, 'https://mail.example.test')
-  assert.equal(runtime.mailOrigin, 'https://mail.example.test')
   assert.equal(runtime.generation, 9)
   assert.equal(runtime.privateKeyPath, path.join(root, 'ssl/private.key'))
   assert.equal(JSON.stringify(runtime).includes('not-exported'), false)
@@ -32,7 +31,7 @@ test('开发配置只从模拟部署目录读取且不返回凭据字段', async
   assert.throws(() => readDevelopmentRuntime(root), /事务尚未完成/)
 })
 
-test('开发运行配置单独保留主邮件域名供匿名恢复接口校验', async () => {
+test('开发恢复接口与页面统一使用 Web 域名', async () => {
   const root = await mkdtemp(path.join(os.tmpdir(), 'smail-runtime-recovery-domain-'))
   await mkdir(path.join(root, 'config'))
   await mkdir(path.join(root, 'ssl'))
@@ -49,7 +48,7 @@ test('开发运行配置单独保留主邮件域名供匿名恢复接口校验',
 
   const runtime = readDevelopmentRuntime(root)
   assert.equal(runtime.origin, 'https://web.example.test')
-  assert.equal(runtime.mailOrigin, 'https://mail.example.test')
+  assert.equal('mailOrigin' in runtime, false)
 })
 
 test('源码指纹检测编辑且忽略编译嵌入目录', async () => {